Television camera having CCD imaging device with double line CCD

Details Television camera having CCD imaging device with double line CCD Television camera having CCD imaging device with double line CCD

1989-03-31

1991-06-25

Orsino, Joseph A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358909, 35821326, H04N 314

Patent

active

050272187

ABSTRACT:
A television camera has an imaging device and a drive circuit. The imaging device is an interline transfer CCD further having a storing section between column of vertical CCDs thereof and a horizontal CCD thereof. The storing section having first and second vertical CCDs for receiving charges from photodiodes via the vertical CCDs. The drive circuit reads out the charges generated at photodiodes such that during a vertical blanking period of a frame, charges at the horizontal odd lines of photodiodes are transferred in response to a V SYNC pulse are transferred to the second vertical CCDs via the first vertical CCDs; then charges at even lines are transferred similarly to the third vertical CCDs; and then horizontal CCD reads charges from the second and third vertical CCDs alternately. The video signal reproduced from a video tape where an object is recorded by a VTR using the video signal from the television camera can provide a frame still picture without double line image through a still image reproduction system if the object is moving between the two fields because two field is detected almost at the same time. The exposure time is controllable with a variable timer and charge sweep off circuit from zero to a frame interval as a maximum.

REFERENCES:
patent: 4336556 (1982-06-01), Sekine et al.
patent: 4472741 (1984-09-01), Takatsu et al.
patent: 4635122 (1987-01-01), Kato et al.
patent: 4686573 (1987-08-01), Murayama et al.
patent: 4807037 (1989-02-01), Lesaka et al.
patent: 4837630 (1989-06-01), Ueda et al.

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